SmartSDR v3.8.21 and the SmartSDR v3.8.21 Release Notes
SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
Power Genius XL Utility v3.8.9 and the Power Genius XL Release Notes v3.8.9
Tuner Genius XL Utility v1.2.11 and the Tuner Genius XL Release Notes v1.2.11
Antenna Genius Utility v4.1.8
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ATU DEFECT
![HamRadioVlog](https://us.v-cdn.net/6032377/uploads/userpics/BRTTJE1JJIB9/nXBA2VKX5EKTM.png)
I bought a 6300 with the ATU as I have been really happy with my 3k and 5k. The ATU is faulty and having read up it seems it is a known issue for a long time. The thread on this has been CLOSED. Please, can we get it re-opened and solved as I feel I should have spent less on my Flex and bought an external tuner.
Comments
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What antennas are you using? What is the typical SWR on those antennas without a tuner?0
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I know this is not what you want, but I always use an external tuner with all my radios, mostly because the tuning range is so much greater than the internal ones. With the 6400, click the tune button in SSDR, and the MFJ 929 is ready to go.0
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All accepted but I bought a radio with an internal ATU. I e pect it to work like it should.0
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All less than 3.0:10
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Are you sure about the antenna(s). I have two Flex and internal tuners work as expected on both. Maybe if you describe the problem in more detail you will get a solution.1
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There is a video showing the problem attached the the original post. The problem is well known and all over the Internet. Including a previous thread on here that Flex have closed as solved but it isn't.0
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This behavior is a previously reported software defect. The status is it is a high priority issue and still pending a fix. The community thread is closed due to unconstructive and unproductive comments. The defect report is still open.5
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1
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0
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0
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3.1.120
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0
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No. Why would I? First I have been warned against it due to SD card corruption and Second that is not a way forward, no idea what the differences are but the number version gap seems significant.0
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Has anyone tried 2.4.10 to see if the ATU bug is not present? 2.4.10 supposedly has the SC Card fix in it.0
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Hi Dave... yes, v2.4.10 fixes the SD Card issue, but retains the working ATU.
Don
1 -
Thanks Don,
I may try to down grade my software from 3.1.12 to 2.4.10 after I put my antennas back up when this storm on the gulf passes through.
Thanks,
Dave
K5OZ
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I bought my 6400 16 months ago. I ordered it with the built in tuner. The radio came with v3 software. At that time FLEX knew that the tuner would not work properly but chose not to inform me of the defect. Since then there have been many requests for a fix from FLEX owners but the company either cannot repair their v3 software or have other priorities. 16 months and no fix. This is ridiculous.
Please don't grill me on my station looking for something else to cause my problem. There is nothing wrong here except the tuner fail. The only thing that works reliably on this tuner is the bypass feature.
Robby/HP3SS
1 -
I am hoping there is a fix soon. Buying and external ATU or rolling back the firmware is not the solution.
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Don't hold your breath.
Maybe the problem will be addressed in version 4. Then we will have the option of buying the tuner twice.
I would like to send my tuner back for a refund with FLEX paying for the shipping both ways. Everyone who bought a FLEX 6xxx with a tuner since v3 was released should be entitled to this.
-Robby
1 -
Unfortunate
I've had a 6400M since 1/23/2020.
I posted "Matching a Mazzoni Stealth Ant?" on 5/1/2020 noting the same problem. (https://community.flexradio.com/discussion/7996309/matching-a-mazzoni-stealth-ant).
"Often I have to iterate on (2) [clicking the ATU button] several times and get either very high or <1.5 VSWR (as measured on the Flex). It's like rolling dice! :-) But eventually I get to a very low VSWR."
So is it a h-ware or s-ware problem (or both)?
I was thinking of buying a 6400 (headless -- without the attached Maestro). I noticed 2 things:
1) The optional ATU module is out of stock for the 6400 series.
2) The ATU appears to be built into the 6600 and above.
(https://www.flexradio.com/comparison/)
Did I get that right?
Having said that, I've since moved on to using:
1) A stealthy, off center dipole I built in in my attic (HOA. 40, 20, 10 and 6m) and ...
2) An equally stealthy outdoor Alpha Antenna 34ft, sloping J-Pole (80 thru 6m).
Both look good on my analyzer and both tune up better than the loop did. Occasionally I'll have to click the ATU as many as 6 times to get it to converge. But once it's saved in memory or better yet in a profile, that seems to be the end of it. I'm eventually going to call sales about the advantages of the 6600 vs the 6400.
73, Tom KE2KQ0 -
As long as we all acknowledge (Flex have already accepted this is a known critical issue that they have on their list) this isnt anything other than a bug to be fixed by Flex and, dont let them forget we will be fine.
Lets just keep reminding them of the money we have invested on products that dont work as they should. Flex are great and I love then to bits however, time is really dragging on and they need to step up and fix this problem.1 -
They will sort it out sooner or later I am confident. Lets just make sure its sooner.
3
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